<SEC-DOCUMENT>0001437749-22-021478-index.html : 20220830
<SEC-HEADER>0001437749-22-021478.hdr.sgml : 20220830
<ACCEPTANCE-DATETIME>20220830104342
ACCESSION NUMBER:		0001437749-22-021478
CONFORMED SUBMISSION TYPE:	S-8 POS
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20220830
DATE AS OF CHANGE:		20220830
EFFECTIVENESS DATE:		20220830

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Proto Labs Inc
		CENTRAL INDEX KEY:			0001443669
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED STRUCTURAL METAL PRODUCTS [3440]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8 POS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-202486
		FILM NUMBER:		221213197

	BUSINESS ADDRESS:	
		STREET 1:		5540 Pioneer Creek
		CITY:			Maple Plain
		STATE:			MN
		ZIP:			55359
		BUSINESS PHONE:		763-479-7474

	MAIL ADDRESS:	
		STREET 1:		5540 Pioneer Creek
		CITY:			Maple Plain
		STATE:			MN
		ZIP:			55359
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8 POS
<SEQUENCE>1
<FILENAME>prlb20220824_s8pos.htm
<DESCRIPTION>FORM S-8 POS
<TEXT>
Document 1 - file: prlb20220824_s8pos.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>ex_416515.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: ex_416515.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>ex_416516.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: ex_416516.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ex_416515img001.jpg
<TEXT>
Document 4 - file: ex_416515img001.jpg

</DOCUMENT>
</SEC-DOCUMENT>